1) It is free.

2) You never have to worry about viruses with Linux.

3) Linux boots much faster than Windows.

4) Linux updates take minutes not hours like Windows.

5) There are many choices so that you can find what fits you most easily using Linux Information websites.

6) Linux comes with thousands of applications that are just as good or better than their Windows counterparts.

7) Learning that you will have to find the Linux counterparts of Windows Applications to do what you did on Windows

8) When you become an expert in Linux, if that's your desire, there are ways to start or stop a program or a number of programs anytime, during boot up, during normal running, or during shutting down.

9) There are bleeding edge versions with the small possibility of issues like software dependencies being met, and, there are stable versions that almost never have a problem.

10) There are versions designed for the person trying Linux for the first time coming from Windows or Mac

There are many more reasons why you should try Linux, but if you google "Reasons to switch to Linux", it will give you more to read than you can read in your lifetime.